EP0798093A3 - Self-cleaning reactor/mixer for cohesive and high viscosity materials - Google Patents

Self-cleaning reactor/mixer for cohesive and high viscosity materials Download PDF

Info

Publication number
EP0798093A3
EP0798093A3 EP97104222A EP97104222A EP0798093A3 EP 0798093 A3 EP0798093 A3 EP 0798093A3 EP 97104222 A EP97104222 A EP 97104222A EP 97104222 A EP97104222 A EP 97104222A EP 0798093 A3 EP0798093 A3 EP 0798093A3
Authority
EP
European Patent Office
Prior art keywords
cohesive
mixer
self
high viscosity
viscosity materials
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP97104222A
Other languages
German (de)
French (fr)
Other versions
EP0798093A2 (en
EP0798093B1 (en
Inventor
Klaus Schebesta
Heinrich Schuchardt
Martin Ullrich
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Bayer AG
Original Assignee
Bayer AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Bayer AG filed Critical Bayer AG
Publication of EP0798093A2 publication Critical patent/EP0798093A2/en
Publication of EP0798093A3 publication Critical patent/EP0798093A3/en
Application granted granted Critical
Publication of EP0798093B1 publication Critical patent/EP0798093B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00—Mixing; Kneading
    • B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
    • B29B7/34—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices
    • B29B7/38—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary
    • B29B7/46—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with more than one shaft
    • B29B7/48—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with more than one shaft with intermeshing devices, e.g. screws
    • B29B7/481—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with more than one shaft with intermeshing devices, e.g. screws provided with paddles, gears or discs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00—Mixing; Kneading
    • B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
    • B29B7/34—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices
    • B29B7/38—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary
    • B29B7/46—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with more than one shaft
    • B29B7/48—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with more than one shaft with intermeshing devices, e.g. screws
    • B29B7/488—Parts, e.g. casings, sealings; Accessories, e.g. flow controlling or throttling devices
    • B29B7/489—Screws
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00—Mixing; Kneading
    • B29B7/80—Component parts, details or accessories; Auxiliary operations
    • B29B7/82—Heating or cooling
    • B29B7/826—Apparatus therefor

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mixers Of The Rotary Stirring Type (AREA)
  • Accessories For Mixers (AREA)
  • Other Resins Obtained By Reactions Not Involving Carbon-To-Carbon Unsaturated Bonds (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
EP97104222A 1996-03-26 1997-03-13 Self-cleaning reactor/mixer for cohesive and high viscosity materials Expired - Lifetime EP0798093B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19611852A DE19611852A1 (en) 1996-03-26 1996-03-26 Self-cleaning reactor / mixer for highly viscous and cohesive mixes
DE19611852 1996-03-26

Publications (3)

Publication Number Publication Date
EP0798093A2 EP0798093A2 (en) 1997-10-01
EP0798093A3 true EP0798093A3 (en) 1998-03-18
EP0798093B1 EP0798093B1 (en) 2001-10-04

Family

ID=7789421

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97104222A Expired - Lifetime EP0798093B1 (en) 1996-03-26 1997-03-13 Self-cleaning reactor/mixer for cohesive and high viscosity materials

Country Status (5)

Country Link
US (1) US5876115A (en)
EP (1) EP0798093B1 (en)
JP (1) JP4030621B2 (en)
DE (2) DE19611852A1 (en)
ES (1) ES2164948T3 (en)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19801073A1 (en) * 1998-01-14 1999-07-15 Bayer Ag Mixing device
US20040114460A1 (en) * 2001-02-26 2004-06-17 List Jorg M Method and device for mixing products
JP4592044B2 (en) * 2001-04-26 2010-12-01 太平洋セメント株式会社 Stirring tank
US7083319B2 (en) 2003-05-15 2006-08-01 Buss Sms Gmbh Verfahrenstechnic Large-volume reactor having a plurality of process spaces
DE102005001802A1 (en) * 2004-09-30 2006-04-06 List Holding Ag Process for the continuous performance of polymerization processes
US7585105B2 (en) * 2006-06-05 2009-09-08 Apache Stainless Equipment Corporation Scraper assembly
EP2269727A1 (en) 2009-07-01 2011-01-05 LANXESS International SA Tubular reactor and method for continuous polymerisation
RU2505348C1 (en) * 2012-07-17 2014-01-27 Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Тамбовский государственный технический университет" (ФГБОУ ВПО ТГТУ) Method of mixing and mixer to this end
US9707527B2 (en) * 2012-07-30 2017-07-18 Shin Nichinan Co., Ltd. Kneading apparatus with rotary shafts having kneading members
DE102013100182A1 (en) * 2012-09-28 2014-06-05 List Holding Ag Method for carrying out mechanical, chemical and / or thermal processes
EP2796190B1 (en) 2013-04-26 2017-08-23 Buss-SMS-Canzler GmbH System consisting of a cover for a reactor/mixer and a discharge screw connection block
ES2751459T3 (en) 2013-10-08 2020-03-31 Covestro Deutschland Ag Preparation of block copolycarbonates containing siloxane by means of reactive extrusion
CN106414560B (en) 2014-01-30 2019-09-27 科思创德国股份有限公司 Polysiloxane-polycarbonate block cocondensation with improved rheological property
KR101896937B1 (en) * 2016-08-24 2018-09-10 지에스칼텍스 주식회사 Kneader reactor
CN110072918B (en) 2016-12-19 2021-10-22 科思创德国股份有限公司 Production of silicone-containing block copolycarbonates with the aid of a compatibilizer
RU2646406C1 (en) * 2017-04-07 2018-03-05 Федеральное государственное бюджетное научное учреждение Федеральный научный агроинженерный центр ВИМ (ФГБНУ ФНАЦ ВИМ) Two-shaft horizontal mixer with adjustable vertical blades
EP3581605A1 (en) 2018-06-14 2019-12-18 Covestro Deutschland AG Melting ester interchange method for simultaneously producing at least two different polycarbonates in a production plant
ES2933516T3 (en) 2019-04-02 2023-02-09 Covestro Deutschland Ag Siloxane-containing block co-polycarbonates with a small domain size
EP4010401A1 (en) 2019-08-08 2022-06-15 Covestro Intellectual Property GmbH & Co. KG Process for the preparation of a polycarbonate
EP4063091A1 (en) * 2021-03-26 2022-09-28 Starlinger & Co Gesellschaft m.b.H. Device and method for the thermal treatment of thermoplastic melts
CN117500859A (en) 2021-06-15 2024-02-02 科思创德国股份有限公司 Oligoesters comprising resorcinol and isophthalic acid and/or terephthalic acid, corresponding polyester carbonates and their preparation

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1197720A (en) * 1956-12-19 1959-12-02 Ici Ltd Process for making synthetic linear polymers, such as highly polymeric polymethylene terephthalates
EP0517068A1 (en) * 1991-06-07 1992-12-09 List Ag Mixing kneader
EP0638354A1 (en) * 1993-08-10 1995-02-15 Bayer Ag Totally self-cleaning mixer
EP0715882A2 (en) * 1994-12-05 1996-06-12 Bayer Ag Self-cleaning reactor/mixer for high viscosity mixtures containing solids
EP0715881A2 (en) * 1994-12-05 1996-06-12 Bayer Ag Fully self-cleaning mixer/reactor

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA836936A (en) * 1962-03-21 1970-03-17 A. Loomans Bernard Continuous mixer
EP0144092B1 (en) * 1983-12-05 1988-10-12 Dipl.-Ing. H. List Industrielle Verfahrenstechnik Mixing and kneading machine
US4752135A (en) * 1986-12-01 1988-06-21 Baker Perkins, Inc. Mixing apparatus and methods
CH680196A5 (en) * 1988-02-16 1992-07-15 List Ag
DE4018069A1 (en) * 1990-06-06 1991-12-12 Bayer Ag Self cleaning mixer with large working volume
DE4126425A1 (en) * 1991-08-09 1993-02-11 Bayer Ag COMPLETELY SELF-CLEANING REACTOR / MIXER WITH LARGE USAGE

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1197720A (en) * 1956-12-19 1959-12-02 Ici Ltd Process for making synthetic linear polymers, such as highly polymeric polymethylene terephthalates
EP0517068A1 (en) * 1991-06-07 1992-12-09 List Ag Mixing kneader
EP0638354A1 (en) * 1993-08-10 1995-02-15 Bayer Ag Totally self-cleaning mixer
EP0715882A2 (en) * 1994-12-05 1996-06-12 Bayer Ag Self-cleaning reactor/mixer for high viscosity mixtures containing solids
EP0715881A2 (en) * 1994-12-05 1996-06-12 Bayer Ag Fully self-cleaning mixer/reactor

Also Published As

Publication number Publication date
JPH09254149A (en) 1997-09-30
JP4030621B2 (en) 2008-01-09
ES2164948T3 (en) 2002-03-01
DE59704744D1 (en) 2001-11-08
EP0798093A2 (en) 1997-10-01
US5876115A (en) 1999-03-02
EP0798093B1 (en) 2001-10-04
DE19611852A1 (en) 1997-10-02

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